Table of Contents

Get info about point in chart

To get information about certain point of the chart, use the command report/hittest_chart: 

svc=report/hittest_chart&params={"attachmentIndex":<uint>,
				 "datasetIndex":<uint>,
				 "valueX":<int>,
				 "valueY":<int>,
				 "flags":<int>

Parameters

Name Description
attachmentIndex chart's index
datasetIndex dataset index (-1 - all datasets)
valueX x-coordinate, pixels
valueY y-coordinate, pixels
flags flags

Flags

Flag HEX Flag DEC Description
0x1 get help to chart
0x2 get help to marker
0x4 use valueX as time

Response

{
	"x":<double>,		/* X axis value */
	"textX":<text>,		/* text value for X coordinate */
	"axisX":<text>,		/* name of X axis */
	"y":[
	    {
		"y":<int>,	/* Y coordinate */
		"textY":<text>,	/* coordinate is string */
		"axisY":<text>,	/* axis Y */
		"name":<text>,	/* name of chart */
		"color":<uint>	/* color */
	    },
	    ...
	]
	"msg":{			/* message */
		...
	}
}

Message formats are described in the chapter Data format: Messages.